William R. Walsh wrote:
I've *never* seen a microwave oven with a dead
control panel.

Really! I`m amazed, I`ve repaired or replaced dozens if not hundreds.
Some are an easy fix, usually a duff capacitor or switch membrane, One
very common model of oven regularly suffered from a o/c resistor in the
supply to the display, others can be sent away for refurbishment at a
reasonable price in comparsison to a new board.

Ron